require 'capybara'
require 'capybara/poltergeist'
Capybara.register_driver :poltergeist do |app|
Capybara::Poltergeist::Driver.new(app, js_errors: false, phantomjs_options: ['--ignore-ssl-errors=true','--load-images=no', '--proxy=proxy.crawlera.com:8010', '--ssl-protocol=any'])
end
session = Capybara::Session.new(:poltergeist)
session.driver.headers = { 'Proxy-Authorization' => "Basic #{Base64.encode64('<API_KEY>:')}" } # Delete <API_KEY> and copy & paste your API KEY.
session.visit 'https://google.com'
session.html
Delete <API_KEY>
and copy & paste your own API key.